CN101479647B - Translating multifocal ophthalmic lenses - Google Patents
Translating multifocal ophthalmic lenses Download PDFInfo
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- CN101479647B CN101479647B CN2007800245789A CN200780024578A CN101479647B CN 101479647 B CN101479647 B CN 101479647B CN 2007800245789 A CN2007800245789 A CN 2007800245789A CN 200780024578 A CN200780024578 A CN 200780024578A CN 101479647 B CN101479647 B CN 101479647B
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- 238000013519 translation Methods 0.000 claims description 23
- 210000001747 pupil Anatomy 0.000 abstract description 36
- 238000013461 design Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000012937 correction Methods 0.000 description 4
- 239000000017 hydrogel Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 208000001491 myopia Diseases 0.000 description 4
- 238000007516 diamond turning Methods 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- -1 methacryloxypropyl Chemical group 0.000 description 2
- 201000010041 presbyopia Diseases 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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Images
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/04—Contact lenses for the eyes
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/04—Contact lenses for the eyes
- G02C7/041—Contact lenses for the eyes bifocal; multifocal
- G02C7/044—Annular configuration, e.g. pupil tuned
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/04—Contact lenses for the eyes
- G02C7/041—Contact lenses for the eyes bifocal; multifocal
- G02C7/043—Translating type
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/04—Contact lenses for the eyes
- G02C7/048—Means for stabilising the orientation of lenses in the eye
Abstract
The invention provides translating, multifocal lenses that are pupil insensitive or independent.
Description
Invention field
The present invention relates to eye lens (ophthalmic lenses).Especially, the invention provides eyeglass, this eyeglass provides more than a focal power (optical power) or focal length, and is of value to the rectification presbyopia.
Background of invention
Along with the ageing of individuality, eyes not too can be regulated or crooked natural lens, to focus on apart from the near relatively object of observer.This situation is known as the presbyopia.Be used to correct one of presbyopic method and provide contact lens (contact lenses), it introduces near with vision correction (near vision correction) and far away from vision correction (distance vision correction) on each contact lens that individuality is worn simultaneously.In a kind of this class eyeglass, far with vision area with closely be arranged on one heart around the geometric center of eyeglass with vision area.In the eyeglass (segmentation eyeglass) of another type, closely with near vision area and far away not concentric the eyeglass geometric center with vision area.In such eyeglass, most of closely partly be positioned at 0-180 ° of axle or the transverse axis that is lower than eyeglass with vision area.
The wearer of segmentation eyeglass (segmented lens) can visit the nearly vision area of using of eyeglass, and this is because this eyeglass is configured to allow its translation or with respect to the pupil vertical moving of wearer's eyes.Therefore, when the downward transfer of watching attentively of lens wear person was read, eyeglass can move vertically upward, and this can partly be positioned at the center that the wearer watches attentively with vision area nearly.
The shortcoming of traditional translation contact lens (translating contact lenses) is, and is far away with vision area with closely use vision area if eyeglass is only introduced, and then the eyeglass vertical range that must move is big.Equally, if wearer's pupil contraction, then eyeglass will need bigger translation and closely use vision area so that the wearer can visit.As if another shortcoming of conventional lenses be closely with vision area with far can be created in from far moving to the nearly viewed image effect of " jump " during with vision area with vision area with the difference of enlargement factor between the vision area.
Description of drawings
Fig. 1 has described an embodiment of eyeglass of the present invention.
Fig. 2 has described second embodiment of eyeglass of the present invention.
Fig. 3 has described the first prior art eyeglass.
Fig. 4 has described the second prior art eyeglass.
Fig. 5 has described the 3rd prior art eyeglass.
Fig. 6 has described the 4th prior art eyeglass.
Fig. 7 has described the 3rd embodiment of eyeglass of the present invention.
The present invention and detailed description of the preferred embodiments
The invention provides and be used to correct presbyopic method, be used for the contact lens that this class is corrected, and the method that is used for production eyeglass of the present invention.Eyeglass of the present invention is translating multifocal eyeglass (a translating, multifocal lense), it is insensitive to pupil, perhaps do not rely on pupil, this means provides far away from focal power (distance optical power) and near with the expectation number percent between the focal power (nearoptical power), and irrelevant with the pupil size.
In one embodiment, the invention provides the translation contact lens that comprises vision area (optic zone), basically the translation contact lens of forming by vision area, and the translation contact lens of forming by vision area, wherein said vision area have at least two far away from vision areas (distance vision zone) and at least one nearly usefulness vision areas (near vision zone).In another embodiment, the invention provides the translation contact lens that comprises vision area, basically the translation contact lens of forming by vision area, and the translation contact lens of forming by vision area, wherein said vision area has at least two and closely far uses vision area with vision area and at least one.
The meaning of " far using vision area " is such zone, provides the far away of lens wear person is remedied to the size of the required refractive index of expected degree or far uses focal power with the vision area acuity in this zone.The meaning of " closely using vision area " is such zone, provides the near of wearer is remedied to the size of the required refractive index of expected degree or closely uses focal power with the vision area acuity in this zone.
In an embodiment of eyeglass of the present invention, a surface of eyeglass, preferred convex surface or front surface have the center vision area, and wherein this center vision area has at least two and far closely uses vision area with vision area and at least one.Eyeglass of the present invention is designed in the pupil region or covers far away in the zone of lens wear person pupil be formed in this vision area with focal power top (being arranged in 0-180 ° or horizontal meridian place or above part) pupil region greater than 50% rectification focal power when eyeglass is on eyes, and the 0-180 ° of part below the meridian less than 50%.In addition, the location in these districts makes the pupil size minimize the ability influence of visit vision area.
An embodiment that in Fig. 1, has shown eyeglass of the present invention.The eyeglass 10 of Fig. 1 has as directed front surface and the rear surface that does not show.Line 100 and 110 is represented level or 0-180 ° and vertical or 90-270 ° of meridian of this eyeglass respectively.The vision area 11 that on the front surface of this eyeglass, is centered on by non-optical lens region 15.The invariant feature spare of this eyeglass (stabilizationfeature) is not shown yet, and it can be any known stability types, and will be positioned at lens region (lenticular zone) 15.Vision area 11 has inner far away with vision area 14, outside far with vision area 12 with closely use vision area 13.The geometric center that is centrally located in vision area 11 with vision area 14 and 12 far away.
Far away be positioned at vision area 14 near with vision area 13 so that closely with the uppermost edge of vision area 13 with far use the coboundary of vision area 14 tangent.Closely the center with vision area 13 is positioned at about y=-1.63mm place along vertical meridian 110 basically.Nearly edge bottom with vision area 13 is tangent with the edge bottom with vision area 12 far away.The remainder of vision area 12 of using far away is round the nearly vision area 13 of using.For convenience, the border in various districts is represented as dotted line in institute's drawings attached.Yet it can be (blended) that overlap or aspheric that those skilled in the art can understand the border.
Second embodiment of eyeglass of the present invention is presented among Fig. 2.On the eyeglass 20 of Fig. 2, line 200 and 210 is represented the level and the vertical meridian of eyeglass respectively.Vision area 21 is centered on by non-optical lens region 30.Vision area 21 comprise outside far away with vision area 22 and inner far with vision area 24 and outside and inner near with vision area (being respectively 25 and 23).Far be positioned in the geometric center of vision area 21 with the center of vision area 24 and 22.Far away be positioned at closely with vision area 24, and be oriented to its uppermost edge and far use the uppermost edge of vision area 24 tangent with vision area 25.Closely the center with vision area 25 is positioned at about y=-1.63mm place along vertical meridian 210 basically.Nearly edge bottom with vision area 25 overlaps with the edge bottom with vision area 22 far away.
Inner near is positioned at the lowermost part with vision area 24 far away with vision area 23, and described inner near is positioned at the uppermost edge of vision area 23 or is lower than horizontal meridian 200.Nearly edge bottom with vision area 23 is tangent with the edge bottom with vision area 24 far away.Closely the center with vision area 23 is positioned at about y=-0.74mm place along vertical meridian 210 basically.
As shown and preferred, closely use vision area and far away with vision area all on a surface of eyeglass.Yet, can these districts between the front surface of eyeglass and rear surface separately.
Another embodiment that has shown eyeglass of the present invention among Fig. 7.On the eyeglass 70 of Fig. 7, line 700 and 710 is represented the level and the vertical meridian of eyeglass respectively.Vision area 71 is centered on by non-optical lens region 75.Vision area 71 comprises far away from vision area 73 and inside and outside near with vision area (being respectively 74 and 72).The nearly geometric center that is centrally located in vision area 71 with vision area 72 and 74.Far be positioned at nearly inside, and be positioned to far tangent with nearly uppermost edge with vision area 72 with the uppermost edge of vision area 73 with vision area 72 with vision area 73.Far the center with vision area 73 is positioned at about y=+3.2mm along vertical meridian 710 basically.Nearly edge bottom with vision area 74 overlaps with the edge bottom with vision area 73 far away.
In one embodiment, in two right eyeglasses of individual institute lenses fitted, be exclusively used in far away with focal power and near being in equal proportions with the eyeglass vision area area of focal power.In another embodiment, be exclusively used in usefulness far away and closely must make with the ratio of the eyeglass vision area area of focal power, more area is exclusively used in the focal power of using far away for Dominant eye, and more eyeglass area is exclusively used in nearly usefulness and looks focal power (near vision power) for non-Dominant eye.Based on number percent, the preferred area of Dominant eye and non-Dominant eye eyeglass is disclosed in U.S. Patent No. 5,835, and 192,5,485,228 and 5,448,312, by reference that it is incorporated in full herein.
Can translation when preferably, eyeglass of the present invention is used to guarantee that in conjunction with feature (feature) eyeglass is on eyes.The example that is used to guarantee the feature of translation is as known in the art, includes, but are not limited to prism balancing machine (prism ballast), introduces one or more inclined-plane (ramp) or frame shape teat (ledge) etc. and eyeglass brachymemma etc. in the bottom of eyeglass.Can be used to realize that these and other features of a last eyeglass translation are disclosed in U.S. Patent No. 4,618,227,5,141,301,5,245,366,5,483,304,5,606,378,6,092,899 and U.S. Patent Application Publication No.20040017542 in, by reference that their full text is incorporated herein.
Described translation features part (translation feature) typical case also is used for the eyeglass on the stable eye of alternately (rotationally).Yet, may be desirably in the independent stable region of introducing in the eyeglass.Can be by following one or more being incorporated in the eyeglass to reach suitable stabilization: make the front surface of eyeglass with respect to the lens periphery of rear surface off-centre, thickening bottom, on the surface of eyeglass, form recessed or projection, the thin district of use or the wherein zone that reduces of the thickness of lens periphery, and analog and combination thereof.
Contact lens of the present invention can be hard or soft lens, but preferably soft contact lens.The preferred use by any is suitable for producing the made soft contact lens of soft contact lens.The suitable preferred material that is used to utilize method of the present invention to form soft contact lens comprises silicone elastomer without limitation, contains the silicone macromonomer, it is included in U.S. Patent No. 5 without limitation, 371,147,5,314, disclosed in 960 and 5,057,578 (full text of incorporating them herein by reference into), hydrogel, the hydrogel etc. that contains silicone and combination thereof.More preferably, lens materials contains silicone functionalities, its comprise without limitation polydimethylsiloxanemacromer macromer, methacryloxypropyl polyalkyl siloxanes, and composition thereof, silicon hydrogel or the hydrogel of making by the monomer that contains hydroxyl, carboxyl or its combination.The material that is used to prepare soft contact lens is known, and can obtain by the commercial channel.Preferably, described material is acquafilcon, etafilcon, genfilcon, lenefilcon, balafilcon, lotrafilcon or galyfilcon.
Except usefulness far away with closely with the focal power, eyeglass of the present invention can have and is attached to lip-deep any various rectification optical signatures, such as for example post cylinder power (cylinder power).
Can form eyeglass of the present invention by any traditional method.For example, can produce formed these districts here by using the alternately diamond turning of radius.These can be distinguished with diamond turning in the mould that is used to form eyeglass of the present invention.Afterwards, suitable liquid resin is placed between the mould, subsequently resin is compressed and solidify, to form eyeglass of the present invention.Interchangeable, described district can be become eyeglass button (lens button) by diamond turning.
By describing the following examples, the present invention is illustrated further.
Embodiment
Embodiment 1
Eyeglass according to Fig. 1 is provided.With reference to figure 1, it is that the outside far away of 8mm is that vision area 14 is far used in the inside of 1.60mm with vision area 12 and diameter that vision area 11 has diameter.Closely the diameter with vision area 13 is 1.60mm.It is 3.0,3.5,5.0 and the pupil of 6.0mm that dotted line 16,17,18 and 19 is represented diameter respectively.
To each pupil size and at the pupil position of y=0 and y=-1.5mm, calculate in the pupil region far away the using that is positioned at y=0.8mm distinguished the far away from number percent (distance percentage) of reference point (distance reference point), wherein the meaning of y=0.8mm is the point along 90-270 ° of meridian 0.8mm on 0-180 ° of meridian.The result of table 1 shows that this lens design has all produced the number percent of using far away that does not rely on pupil to y=0 and y=-1.5mm, and it means, at the y=0 place, the number percent of using far away〉50, and at y=-1.5 place＜50%, these number percents keep constant relatively to the pupil size.
Table 1
| Embodiment 1 | 3.0mm | 3.5mm | 5.0mm | 6.0mm | Mean value |
| 0.0mm | 90％ | 80％ | 73％ | 69％ | 78％ |
| -1.5mm | 27％ | 24％ | 32％ | 39％ | 31％ |
Embodiment 2
Eyeglass according to Fig. 2 is provided.With reference to figure 2, it is that the outside of 8mm is that vision area 24 is far used in the inside of 2.10mm with vision area 22 and diameter far that vision area 21 has diameter.Inner near is 1.04mm with the diameter of vision area 23, and outside nearly diameter with vision area 25 is 4.74mm.It is 3.0,3.5,5.0 and the pupil of 6.0mm that dotted line 26,27,28 and 29 is represented diameter respectively.
At y=0 and y=-1.5 place, pupil region is interior to being positioned at the focal power number percent of using far away with district's reference point far away of y=0.8mm to these pupil dimension analysis.Result in the table 2 prove these lens design for y=0 and y=1.5 produced do not rely on pupil far use ratio with nearly usefulness.
Table 2
| Embodiment 2 | 3.0mm | 3.5mm | 5.0mm | 6.0mm | Mean value |
| 0.0mm | 80％ | 75％ | 71％ | 67％ | 73％ |
| -1.5mm | 25％ | 25％ | 29％ | 38％ | 30％ |
Comparing embodiment 1
She Ji prior art translation bifocus contact lens as shown in Figure 3.With reference to figure 3, eyeglass 30 has the surface that has lens region 37 and vision area 39 thereon.The diameter of vision area 39 is 8 millimeters, and comprises at an upper portion thereof far away from vision area 31 and near with vision area 32 in its underpart.Far away with vision area with closely use boundary alignment between the vision area at y=-0.44mm.Horizontal meridian is a line 300.Far be positioned at y=0.8mm with district's reference point.As listed in embodiment 1, analyze shown in dotted line 33,34,35 and 36, being of a size of 3.0,3.5,5.0 and 6.0 pupil respectively, to determine at y=0 and y=-1.5mm place to the number percent with focal power far away with district's reference point far away.Table 3 shows, based on the great changes among the result between 3mm and 6mm pupil, this lens design y=0 produced rely on pupil far use ratio with nearly usefulness.
Table 3
| Embodiment 2 | 3.0mm | 3.5mm | 5.0mm | 6.0mm | Mean value |
| 0.0mm | 100％ | 94％ | 85％ | 76％ | 89％ |
| -1.5 |
34％ | 37％ | 42％ | 41％ | 39％ |
Comparing embodiment 2
She Ji the second prior art translation bifocus contact lens as shown in Figure 4.With reference to figure 4, eyeglass 40 has the surface that has lens region 43 and vision area 49 thereon.The diameter of vision area 49 is 8mm, and comprises far away from vision area 41 and near with vision area 42.Closely be positioned at 0.6mm under the horizontal meridian 400 with sections (nearsegment).Far be positioned at the y=0.8mm place with district's reference point.As listed in embodiment 1, analyze shown in dotted line 44,45,46 and 47, being of a size of 3.0,3.5,5.0 and 6.0 pupil respectively, to determine at y=0 and y=-1.5mm place far away with district's reference point number percent with focal power far away in pupil region.Table 4 shows, although this lens design has produced the number percent of use far away that does not rely on pupil, and when pupil size greatly (mean〉6mm size), need be greater than the translation distance of 1.5mm so that this ratio be reduced to significantly less than 50%.
Table 4
| Embodiment 2 | 3.0mm | 3.5mm | 5.0mm | 6.0mm | Mean value |
| 0.0mm | 100％ | 94％ | 85％ | 76％ | 89％ |
| -1.5 |
34％ | 37％ | 42％ | 50％ | 41％ |
Comparing embodiment 3
She Ji the 3rd prior art translation bifocus contact lens as shown in Figure 5.With reference to figure 5, eyeglass 50 has the surface that has lens region 53 and vision area 59 thereon.The diameter of vision area 59 is 8mm, and comprises the far away from vision area 51 (diameter is 4.20mm) and near with vision area 52 around this annular with vision area far away of centralized positioning.Far be positioned at y=0.0mm with district's reference point.As listed in embodiment 1, analyze shown in dotted line 54,55,56 and 57, being of a size of 3.0,3.5,5.0 and 6.0 pupil respectively, to determine at y=0 and y=-1.5mm place far away with district's reference point number percent with focal power far away in pupil region.Although table 5 shows that this lens design is not rely on pupil at y=-1.5mm, its percent value is to rely on pupil at the y=0mm place between 39% and 54%, and its percent value is between 50% and 99%.Equally, for the pupil of size＜3.0mm, need greater than the translation distance of 1.5mm with will be far with number percent be reduced to＜50%.
Table 5
| 0.0mm | 99％ | 99％ | 73％ | 50％ | 80％ | 24％ |
| -1.5 |
54％ | 52％ | 45％ | 39％ | 48％ | 7％ |
Comparing embodiment 4
She Ji the 4th prior art translation bifocus contact lens as shown in Figure 6.With reference to figure 6, eyeglass 60 has the surface that has lens region 63 and vision area 69 thereon.The diameter of vision area 69 is 8mm, and to comprise far away be the near with vision area 62 of 4.20mm with vision area 61 and diameter.Nearly uppermost edge with vision area 62 is positioned at about 0.3mm on the geometric center of vision area 69.Far be positioned at y=1.0mm with district's reference point.As listed in embodiment 1, analyze shown in dotted line 64,65,66 and 67, being of a size of 3.0,3.5,5.0 and 6.0 pupil respectively, to determine being in the number percent with focal power far away in the pupil region at y=0 and y=-1.5mm.Table 6 shows that although at the y=0mm place, this lens design does not rely on pupil, and its number percent at the y=-1.5mm place, is to rely on very much pupil between 71% and 78%, and its percent value is between 5% and 45%.
Table 6
| Embodiment 2 | 3.0mm | 3.5mm | 5.0mm | 6.0mm | Mean value |
| 0.0 |
78％ | 74％ | 74％ | 71％ | 74％ |
| -1.5mm | 5％ | 15％ | 37％ | 45％ | 25％ |
Claims (9)
1. translation contact lens, it comprises horizontal meridian, vertical meridian and vision area, described vision area comprises first and second vision areas of using far away that the center all is positioned at this vision area geometric center, and be centrally located in along the nearly vision area of using at the about y=-1.63mm of vertical meridian place, wherein first far away with one of vision area be positioned at described near with vision area so that described nearly uppermost edge and described first with vision area far uses the coboundary of vision area tangent, describedly closely be positioned at second far from vision area with vision area, and described nearly edge bottom and described second with vision area far uses the edge bottom of vision area tangent.
2. the eyeglass of claim 1, wherein said vision area is positioned on the convex surface of eyeglass.
3. claim 1 or 2 eyeglass, it also comprises horizontal meridian, wherein be positioned at usefulness far away on horizontal meridian place or the horizontal meridian and look the amount of focal power and always correct 50% of focal power greater than this vision area, the amount under horizontal meridian is always corrected 50% of focal power less than this vision area.
4. translation contact lens, it comprises horizontal meridian, vertical meridian and vision area, described vision area comprises first and second vision areas of using far away that the center all is positioned at described vision area geometric center, and first and second closely use vision area, described first nearly being centrally located in vision area along vertical meridian y=-1.63mm place, described second nearly being centrally located in vision area along vertical meridian y=-0.74 place, wherein first and second closely far are positioned at first vision area of using far away with vision area with vision area and second, second far closely is positioned at first with vision area with vision area and second closely far is positioned at the second nearly vision area of using with vision area with vision area and second, second uppermost edge and the first nearly uppermost edge with vision area with vision area far away is tangent, the second nearly edge bottom and second edge bottom with vision area far away with vision area is tangent, and the first nearly edge bottom and first edge bottom with vision area far away with vision area is tangent.
5. the eyeglass of claim 4, wherein said vision area is positioned on the convex surface of eyeglass.
6. claim 4 or 5 eyeglass, it also comprises horizontal meridian, wherein be positioned at usefulness far away on horizontal meridian place or the horizontal meridian and look the amount of focal power and always correct 50% of focal power greater than this vision area, the amount under horizontal meridian is always corrected 50% of focal power less than this vision area.
7. translation contact lens, it comprises horizontal meridian, vertical meridian and vision area, described vision area comprises the center and all is positioned at the first and second near with vision area and be centrally located in along the vision area of using far away at the about y=+3.2mm of vertical meridian place of described vision area geometric center, wherein saidly far be positioned at described first vision area with vision area, so that the described uppermost edge and the described first nearly coboundary with vision area with vision area far away is tangent, and described second nearly edge bottom and the described edge bottom with vision area far away with vision area is tangent.
8. the eyeglass of claim 7, wherein said vision area is positioned on the convex surface of eyeglass.
9. claim 7 or 8 eyeglass, it also comprises horizontal meridian, wherein be positioned at usefulness far away on horizontal meridian place or the horizontal meridian and look the amount of focal power and always correct 50% of focal power greater than this vision area, the amount under horizontal meridian is always corrected 50% of focal power less than this vision area.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/427,525 US7503652B2 (en) | 2006-06-29 | 2006-06-29 | Translating multifocal ophthalmic lenses |
| US11/427,525 | 2006-06-29 | ||
| PCT/US2007/072239 WO2008002976A2 (en) | 2006-06-29 | 2007-06-27 | Translating multifocal ophthalmic lenses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101479647A CN101479647A (en) | 2009-07-08 |
| CN101479647B true CN101479647B (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800245789A Active CN101479647B (en) | 2006-06-29 | 2007-06-27 | Translating multifocal ophthalmic lenses |
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| Country | Link |
|---|---|
| US (1) | US7503652B2 (en) |
| EP (1) | EP2038696B1 (en) |
| JP (1) | JP5538886B2 (en) |
| KR (1) | KR101393453B1 (en) |
| CN (1) | CN101479647B (en) |
| AR (1) | AR061757A1 (en) |
| AU (1) | AU2007265030B2 (en) |
| BR (1) | BRPI0713549B1 (en) |
| CA (1) | CA2655815C (en) |
| HK (1) | HK1134343A1 (en) |
| RU (1) | RU2439632C2 (en) |
| TW (1) | TWI426320B (en) |
| WO (1) | WO2008002976A2 (en) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7753521B2 (en) * | 2008-03-31 | 2010-07-13 | Johnson & Johnson Vision Care, Inc. | Lenses for the correction of presbyopia and methods of designing the lenses |
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- 2007-06-27 AU AU2007265030A patent/AU2007265030B2/en not_active Ceased
- 2007-06-27 KR KR1020097001708A patent/KR101393453B1/en active IP Right Grant
- 2007-06-27 CN CN2007800245789A patent/CN101479647B/en active Active
- 2007-06-27 EP EP07799081.0A patent/EP2038696B1/en active Active
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- 2007-06-27 JP JP2009518536A patent/JP5538886B2/en not_active Expired - Fee Related
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Also Published As
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| US7503652B2 (en) | 2009-03-17 |
| BRPI0713549A2 (en) | 2012-03-20 |
| WO2008002976A3 (en) | 2008-03-20 |
| TW200815820A (en) | 2008-04-01 |
| TWI426320B (en) | 2014-02-11 |
| AU2007265030A1 (en) | 2008-01-03 |
| EP2038696B1 (en) | 2018-11-14 |
| AU2007265030B2 (en) | 2013-05-30 |
| CA2655815A1 (en) | 2008-01-03 |
| JP5538886B2 (en) | 2014-07-02 |
| EP2038696A2 (en) | 2009-03-25 |
| RU2009102836A (en) | 2010-08-10 |
| KR20090036118A (en) | 2009-04-13 |
| WO2008002976A2 (en) | 2008-01-03 |
| RU2439632C2 (en) | 2012-01-10 |
| CN101479647A (en) | 2009-07-08 |
| KR101393453B1 (en) | 2014-05-13 |
| JP2009543136A (en) | 2009-12-03 |
| BRPI0713549B1 (en) | 2018-07-31 |
| CA2655815C (en) | 2015-10-27 |
| HK1134343A1 (en) | 2010-04-23 |
| US20080002148A1 (en) | 2008-01-03 |
| AR061757A1 (en) | 2008-09-17 |
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